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Copper compression lug, short barrel, yellow colour code, 1/4 in stud hole

Zoro Select

Zoro Select 24C986 One-Hole Compression Lug 250 kcmil 1/4 in Stud Short

SKU CH-90R3-P51C5

One-hole copper compression lug for 250 kcmil stranded wire, 1/4 inch stud, short barrel, 600 V AC, 300 °F, UL listed and CSA certified

  • TypeElectrical Connectors
  • One-hole design simplifies termination on 250 kcmil copper conductors
  • Short barrel fits tight enclosures without sacrificing 600 V AC rating
  • Seamless copper barrel with inspection hole confirms full crimp engagement
  • Yellow colour code and die code 62 match standard tooling charts
  • CSA certified and UL listed for code-compliant installations

Zoro Select 250 kcmil Compression Lug

This one-hole compression lug connects 250 kcmil stranded copper conductors to a 1/4 inch stud. It is built for electrical and industrial wiring tasks that require a secure crimp termination. The seamless copper barrel and yellow colour code identify the correct die for installation.

300 Degrees F Operating Temperature

The lug carries a maximum operating temperature of 300 degrees Fahrenheit and a maximum voltage of 600 volts AC. Copper construction provides low resistance and reliable conductivity under normal load. CSA certification and UL listing confirm compliance with recognised safety standards.

Fits 250 kcmil Copper Wire with 1.13 in Tongue Width

The connector accepts stranded copper wire sized exactly at 250 kcmil minimum and maximum. Its straight tongue measures 1.13 inches wide and includes an inspection hole for visual verification of the crimp. Builders needing a different stud size, multi-hole pattern or larger conductor range must choose another lug.

Highlights

  • One-hole design simplifies termination on 250 kcmil copper conductors
  • Short barrel fits tight enclosures without sacrificing 600 V AC rating
  • Seamless copper barrel with inspection hole confirms full crimp engagement
  • Yellow colour code and die code 62 match standard tooling charts
  • CSA certified and UL listed for code-compliant installations

Specifications

BrandZORO SELECT
TypeElectrical Connectors

Questions about this item

How do I crimp the 250 kcmil copper wire into the yellow-coded barrel using die 62, and what step is often missed?

Strip the conductor to the barrel depth, insert fully through the inspection hole, then compress with a 62 die; the step often missed is verifying the wire is visible in the inspection hole before and after crimping.

What maintenance or replacement will the seamless copper lug need after installation?

The lug itself requires no scheduled replacement; periodically inspect the crimp for discoloration or loosening at the 1/4 in stud and re-torque if the connection shows heat damage.

At what point does the 600 V AC rating or 300 °F temperature limit become the limiting factor under sustained load?

The 300 °F maximum operating temperature is typically reached before the 600 V AC dielectric limit, so monitor conductor temperature to stay within the thermal rating.

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